Estudos de caso e documentos de conferência
Esta biblioteca contém Orica Serviços Mineiros publicaram Documentos de Conferência e Estudos de caso em formato de PDF transferível.
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01/03/2010
Boral Petrie Quarry is a Greenstone rock with some strong jointing systems throughout, that at times cause issues with batter angles and hence, front burden on the blasts.
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01/03/2010
Meandu mine is situated 250km north west of Brisbane in Queensland. The mine currently produces approximately 5 million tonnes of coal per annum for supply to Tarong power station. The record blast was fired on time at 3:11pm Friday the 11th December 2009, and caused no delay to other mining operations at the site. With 1029 detonators, it was the largest single Uni tronic™ blast fired in the world at the time.
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28/02/2010
Boral Teven is located in Northern NSW approximately 15kms from Ballina. The Orica Plant at Beenleigh services the Teven site for all blast design, markout and Shotfiring requirements.
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23/02/2010
In 2009 Anglo American Metallurgical Coal (AAMC) commenced a project to maximise coal recovery across Dawson Mine’s operations. A key element of this project was the implementation of innovative blast design and technology application. It was identified that a key to the success of this program was an electronic detonator that would facilitate these designs.
In September 2009 the i-kon™ Digital Energy Control System® was introduced to AAMC’s Dawson Mine.
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19/02/2010
The Uni tronic™ Electronic Blasting System was used to fire the modified blast. The blast consisted of 552 holes. Average hole depth was 8m and ANFO was used a bulk blasting agent. The modified design resulted in better surface expression and more excavator productivity which led to significant cost savings on site. Excavator productivity has improved from 876bcm/hr to 1,044bcm/hr which translates into 19.7% increase in productivity. Furthermore, the mine doesn’t require a dozer to rip for the excavator to achieve such high dig rates.
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